10-Q · June 4, 2026
Ciena's fiscal Q2 2026 results show strong revenue growth of 39.5% year-over-year, totaling $1.57 billion, surpassing estimates. Diluted EPS of $1.64 exceeded analyst expectations, reflecting a solid improvement as the…
Earnings analysis · 10-Q
CIEN earnings analysis
Filed September 3, 2026 · Our reading of the company's report
The latest report
Ciena delivered strong fiscal Q3 2026 results, with $1.6711 billion of revenue and $2.11 of adjusted EPS versus consensus of $1.6389 billion and $1.67, respectively. Gross and operating margins improved to 45.4% and…
Read full summary
Ciena delivered strong fiscal Q3 2026 results, with $1.6711 billion of revenue and $2.11 of adjusted EPS versus consensus of $1.6389 billion and $1.67, respectively. Gross and operating margins improved to 45.4% and 18.0%, and Optical Networking revenue reached $1,191.3 million. Management raised fiscal 2026 revenue guidance to $6.37 billion-$6.47 billion, supporting a bullish outlook, though the quarter also included substantial repurchases and new 2031 convertible-note financing. The 10-Q reports no material change to the risk factors presented in the 2025 Annual Report.
Gross and operating margin
How much of each revenue dollar the business keeps.
One point per quarterly or annual filing. Both margins are shares of that report's revenue.
From revenue to operating profit
Where each $100 of revenue went in this report.
Cost of sales, operating expenses, and what remained. Figures are rounded to whole dollars.
How we read each report
Our analysis across the last few reports.
Our model's reading of each filing, not the share price or the market's reaction. Annual and quarterly reports each occupy one position.
Reported figures
- Earnings per share
- $2.11
- Segment
- Optical Networking: $1,191.3 million
What stood out
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Revenue Accelerated and Beat Consensus
Revenue was $1.6711 billion, up from $1.57 billion in fiscal Q2 2026 and $1.22 billion in fiscal Q3 2025, and exceeded the $1.6389 billion consensus estimate by approximately $32.2 million.
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Adjusted EPS Beat Estimates
Adjusted EPS was $2.11 versus the $1.67 consensus estimate, a $0.44 beat and an increase from $1.49 in fiscal Q2 2026 and $0.35 in fiscal Q3 2025.
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Margins Expanded Materially
Gross margin expanded to 45.4% from 44.0% in fiscal Q2 2026 and 41.3% in fiscal Q3 2025. Operating margin rose to 18.0% from 15.1% and 6.0%, respectively.
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Optical Networking Led Revenue
Optical Networking revenue was $1,191.3 million, representing approximately 71.3% of total quarterly revenue of $1.6711 billion.
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Full-Year Outlook Raised
Management raised fiscal 2026 revenue guidance to $6.37 billion to $6.47 billion from $6.2 billion to $6.3 billion, while setting fiscal Q4 revenue guidance of $1.70 billion to $1.80 billion.
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Continued Significant Share Repurchases
Ciena repurchased $171.7 million of common stock during the quarter and had $335.0 million remaining under its repurchase authorization as of August 1, 2026.
What to watch
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Higher Financing Complexity
The company issued 0.00% convertible senior notes due 2031 and amended its credit agreement on June 11, 2026. The filing states that Ciena remains exposed to interest-rate and foreign-currency market risk, while the new financing increases refinancing and capital-structure complexity.
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Large Capital Returns Reduce Flexibility
Ciena repurchased $171.7 million of stock during the quarter, including $140.0 million associated with the 2031 Note offering, leaving $335.0 million of authorization. Continued repurchases could reduce liquidity available for debt reduction or operating investment.
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Potential Insider-Selling Overhang
An executive's new Rule 10b5-1 plan permits sales of up to 996 shares plus net after-tax shares tied to awards including 3,830 restricted stock units vesting September 20, 2026, and awards subject to performance ranges of 0% to 200%. This may add potential insider-selling overhang, although it is not an operating risk factor.
Management's outlook
Fiscal Q4 2026 revenue outlook is $1.70 billion to $1.80 billion. Fiscal 2026 revenue guidance was raised to $6.37 billion to $6.47 billion from $6.2 billion to $6.3 billion; no numeric EPS guidance was provided.
Earlier filings 4
10-Q · March 5, 2026
Ciena posted a strong quarter with revenue of $1,427,042,000 (up 33.1% YoY vs $1,072,260,000) and diluted EPS of $1.03 (vs $0.31 YoY). Operating income expanded to $189,412,000 (operating margin 13.3%), while gross…
10-Q · September 4, 2025
Ciena reported a strong Q3 with total revenue of $1,219,385 (in thousands), up from $942,308 (in thousands) a year ago, and diluted EPS of $0.35 versus $0.10 in the prior-year quarter. Operating income expanded to…
10-Q · September 4, 2024
Ciena reported quarterly revenue of $942,308,000 and GAAP diluted EPS of $0.10 for the quarter ended July 27, 2024. Revenue and operating profit declined materially year-over-year while gross margin remained roughly…
This is our reading of a public filing, not the filing itself. Analysis can contain errors; check the source document for full context.